141 lines
5.1 KiB
C
141 lines
5.1 KiB
C
/* $NetBSD: stand.h,v 1.6 1994/10/30 21:48:25 cgd Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)stand.h 8.1 (Berkeley) 6/11/93
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/cdefs.h>
|
|
#include <sys/stat.h>
|
|
#include "saioctl.h"
|
|
#include "saerrno.h"
|
|
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
struct open_file;
|
|
|
|
/*
|
|
* This structure is used to define file system operations in a file system
|
|
* independent way.
|
|
*/
|
|
struct fs_ops {
|
|
int (*open) __P((char *path, struct open_file *f));
|
|
int (*close) __P((struct open_file *f));
|
|
int (*read) __P((struct open_file *f, char *buf,
|
|
u_int size, u_int *resid));
|
|
int (*write) __P((struct open_file *f, char *buf,
|
|
u_int size, u_int *resid));
|
|
off_t (*seek) __P((struct open_file *f, off_t offset, int where));
|
|
int (*stat) __P((struct open_file *f, struct stat *sb));
|
|
};
|
|
|
|
extern struct fs_ops file_system[];
|
|
|
|
/* where values for lseek(2) */
|
|
#define SEEK_SET 0 /* set file offset to offset */
|
|
#define SEEK_CUR 1 /* set file offset to current plus offset */
|
|
#define SEEK_END 2 /* set file offset to EOF plus offset */
|
|
|
|
/* Device switch */
|
|
struct devsw {
|
|
char *dv_name;
|
|
int (*dv_strategy) __P((void *devdata, int rw,
|
|
daddr_t blk, u_int size, char *buf, u_int *rsize));
|
|
int (*dv_open) __P((struct open_file *f, ...));
|
|
int (*dv_close) __P((struct open_file *f));
|
|
int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data));
|
|
};
|
|
|
|
extern struct devsw devsw[]; /* device array */
|
|
extern int ndevs; /* number of elements in devsw[] */
|
|
|
|
struct open_file {
|
|
int f_flags; /* see F_* below */
|
|
struct devsw *f_dev; /* pointer to device operations */
|
|
void *f_devdata; /* device specific data */
|
|
struct fs_ops *f_ops; /* pointer to file system operations */
|
|
void *f_fsdata; /* file system specific data */
|
|
};
|
|
|
|
#define SOPEN_MAX 4
|
|
extern struct open_file files[SOPEN_MAX];
|
|
extern int nfsys;
|
|
|
|
/* f_flags values */
|
|
#define F_READ 0x0001 /* file opened for reading */
|
|
#define F_WRITE 0x0002 /* file opened for writing */
|
|
#define F_RAW 0x0004 /* raw device open - no file system */
|
|
#define F_NODEV 0x0008 /* network open - no device */
|
|
|
|
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
|
|
#define tolower(c) ((c) - 'A' + 'a')
|
|
#define isspace(c) ((c) == ' ' || (c) == '\t')
|
|
#define isdigit(c) ((c) >= '0' && (c) <= '9')
|
|
|
|
int devopen __P((struct open_file *f, char *fname, char **file));
|
|
void *alloc __P((unsigned size));
|
|
void free __P((void *ptr, unsigned size));
|
|
struct disklabel;
|
|
char *getdisklabel __P((const char *buf, struct disklabel *lp));
|
|
|
|
void printf __P((const char *, ...));
|
|
void gets __P((char *));
|
|
void panic __P((const char *, ...));
|
|
int getchar __P((void));
|
|
int exec __P((char *, char *, int));
|
|
int open __P((char *,int));
|
|
int close __P((int));
|
|
int read __P((int, void *, u_int));
|
|
int write __P((int, void *, u_int));
|
|
|
|
int nodev(), noioctl();
|
|
void nullsys();
|
|
|
|
int null_open __P((char *path, struct open_file *f));
|
|
int null_close __P((struct open_file *f));
|
|
int null_read __P((struct open_file *f, char *buf,
|
|
u_int size, u_int *resid));
|
|
int null_write __P((struct open_file *f, char *buf,
|
|
u_int size, u_int *resid));
|
|
off_t null_seek __P((struct open_file *f, off_t offset, int where));
|
|
int null_stat __P((struct open_file *f, struct stat *sb));
|
|
|
|
/* Machine dependent functions */
|
|
void machdep_start __P((char *, int, char *, char *, char *));
|
|
int machdep_exec __P((char *, char *, int));
|
|
int getchar __P((void));
|
|
void putchar __P((int));
|